Pablo and Johanna appear not to have given consideration to the importance of controlling for .
A) possible differences resulting from using two different breeds of dog
B) the age of the dogs
C) the source of the dog food
D) the possibility that one dog food is healthier than the other dog food
E) the food that the dogs are being fed

Question

Quizplus · Accepted Answer

Pablo and Johanna did not consider the potential impact of using two different breeds of dogs, which could introduce variability in the results.

Pablo and Johanna Appear Not to Have Given Consideration to the Importance